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TI-84 Graphing Calculator

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Construct Perpendicular and Parallel Lines with GeoMaster

To construct perpendicular or parallel lines with GeoMaster on the TI-84 Plus graphing calculator, you have to start with an already constructed line, segment, ray, vector, or side of a polygon or triangle [more…]

How to Move Figures with GeoMaster on the TI-84 Plus

When you move an object in GeoMaster on the TI-84 Plus, all other objects associated with that object will also undergo a change. To reshape a polygon or triangle, move one or more of its vertices. To [more…]

Hide and Delete Objects with GeoMaster on the TI-84 Plus

There is a big difference between hiding and deleting an object in GeoMaster on the TI-84 Plus graphing calculator. If you hide an object, you can, if you so choose, bring it back in view at a later time [more…]

Find Length and Distance with GeoMaster

The Distance/Length tool in the MEAS menu in GeoMaster on the TI-84 Plus graphing calculator is used to find the distance between two points, the length of a segment or vector, the circumference of a circle [more…]

Find the Area with GeoMaster on the TI-84 Plus

GeoMaster on the TI-84 Plus graphing calculator can find the area of any circle, triangle, or simple polygon constructed using the Circle, Triangle, Polygon [more…]

Find the Area of a Polygon Having Intersecting Sides

GeoMaster on the TI-84 Plus calculator can help you find the area of a polygon having intersecting sides. To find the area of a polygon having intersecting sides, break the polygon down into simple polygons [more…]

How to Graph Inequalities on the TI-84 Plus

As with functions, if the inequality sign in the definition of the inequality is highlighted in Inequality Graphing on the TI-84 Plus, then that inequality will be graphed; if it isn’t highlighted, it [more…]

How to Shade Graph Unions and Intersections

When a graph is displayed in Inequality Graphing on the TI-84 Plus calculator, Shades is one of three options that appear at the bottom of the screen. The [more…]

How to Finding the Points of Intersection

When a graph is displayed in Inequality Graphing on the TI-84 Plus calculator, Pol-Trace is one of three options that appear at the bottom of the screen. The [more…]

Probability Simulation Settings Editor on the TI-84 Plus

The Probability Simulation on the TI-84 Plus application contains four simulators (Tossing Coins, Rolling Dice, Picking Marbles form an urn, and Spinning a Spinner) that work much the same way. Some information [more…]

How to Simulate Tossing Coins on the TI-84 Plus

The Probability Simulation application on the TI-84 Plus graphing calculator can simulate tossing from one to three coins at a time. It can even toss weighted coins. When tossing only one coin at a time [more…]

How to Simulate Picking Marbles on the TI-84 Plus

The Probability Simulation application on the TI-84 Plus can simulate picking one marble at a time from an urn that contains from two to five different types [more…]

How to Simulate Spinning Spinners on the TI-84 Plus

The Probability Simulation application on the TI-84 Plus can simulate spinning a spinner that is divided into two to eight sections of equal or unequal areas. It will not simulate the spinner landing on [more…]

How to Simulate Drawing Cards on the TI-84 Plus

The Probability Simulation application on the TI-84 Plus can simulate drawing a card from one to three decks of cards. It even allows you to specify whether or not the card is placed back in the deck before [more…]

How to Enter Statistical Data in the TI-84 Plus

What you use to enter statistical data into the TI-84 Plus calculator is the Stat List editor — a relatively large spreadsheet that can accommodate up to 20 columns [more…]

Save and Recall Data Lists in the TI-84 Plus

Saving your data lists in the TI-84 Plus calculator is the first step in the direction of calling them up again when you want to use or change them. The following list shows you how to do so: [more…]

How to Sort Data Lists on the TI-84 Plus

The TI-84 Plus graphing calculator has many features that provide information about the data that has been entered in the calculator. You will accumulate a lot of data and will need to be able to sort [more…]

How to Create User-Named Data Lists on the TI-84 Plus

You can name your own data lists in the TI-84 Plus calculator by using the Stat List editor. To name a data list in the Stat List editor, follow these steps: [more…]

How to Construct Histograms on the TI-84 Plus

You can use the TI-84 Plus to create histograms. The most common plots used to graph one-variable data are histograms and box plots. In a histogram, the data is grouped into classes of equal size; a bar [more…]

Reflect Geometric Objects with the TI-84 Plus

When a geometric object is reflected in a line, that line acts like a mirror — hence the term reflection — so the mirror image of the original object appears on the other side of the line. GeoMaster on [more…]

Dilate Geometric Objects on the TI-84 Plus

The Dilation tool in the in the TRFM menu on the TI-84 Plus is used to increase or decrease the size of an object by a factor of k. When 0 < k < 1, the object decreases in size, and when [more…]

How to Create Accurate Graphs on the TI-84 Plus

The TI-84 Plus graphing calculator can do only what you tell it to do — which doesn’t always produce an accurate graph. Following are the three main causes of inaccurate graphs, and their solutions: [more…]

How to Find the Value of a Function on the TI-84 Plus

When you trace the graph of a function on the TI-84 Plus graphing calculator, the trace cursor doesn’t hit every point on the graph. So tracing is not a reliable way of finding the value of a function [more…]

How to Start and Quit Transformation Graphing

With the Transformation Graphing application that comes preloaded on the TI-84 Plus family of graphing calculators, you can investigate transformations of a graph without leaving the graphing screen. [more…]

How to Graph Transformations on the TI-84 Plus

The Transformation Graphing application on the TI-84 Plus graphing calculator graphs transformations in three different ways called play types: Play-Pause [more…]

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